RU2009145944A - HYDRAULIC VALVE DEVICE - Google Patents

HYDRAULIC VALVE DEVICE Download PDF

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Publication number
RU2009145944A
RU2009145944A RU2009145944/03A RU2009145944A RU2009145944A RU 2009145944 A RU2009145944 A RU 2009145944A RU 2009145944/03 A RU2009145944/03 A RU 2009145944/03A RU 2009145944 A RU2009145944 A RU 2009145944A RU 2009145944 A RU2009145944 A RU 2009145944A
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RU
Russia
Prior art keywords
valve
engine
hole
pipe
pump
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RU2009145944/03A
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Russian (ru)
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RU2459043C2 (en
Inventor
Бо АНДЕРССОН (SE)
Бо АНДЕРССОН
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Нордхайдролик Аб (Se)
Нордхайдролик Аб
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Publication of RU2009145944A publication Critical patent/RU2009145944A/en
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Publication of RU2459043C2 publication Critical patent/RU2459043C2/en

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Classifications

    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F9/00Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20Drives; Control devices
    • E02F9/22Hydraulic or pneumatic drives
    • E02F9/2203Arrangements for controlling the attitude of actuators, e.g. speed, floating function
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00Details of servomotor systems ; Valves for servomotor systems
    • F15B13/01Locking-valves or other detent i.e. load-holding devices
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F9/00Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20Drives; Control devices
    • E02F9/22Hydraulic or pneumatic drives
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F9/00Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20Drives; Control devices
    • E02F9/22Hydraulic or pneumatic drives
    • E02F9/2203Arrangements for controlling the attitude of actuators, e.g. speed, floating function
    • E02F9/2207Arrangements for controlling the attitude of actuators, e.g. speed, floating function for reducing or compensating oscillations
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F9/00Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20Drives; Control devices
    • E02F9/22Hydraulic or pneumatic drives
    • E02F9/2217Hydraulic or pneumatic drives with energy recovery arrangements, e.g. using accumulators, flywheels
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B11/00Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/003Systems with load-holding valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B11/00Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/02Systems essentially incorporating special features for controlling the speed or actuating force of an output member
    • F15B11/024Systems essentially incorporating special features for controlling the speed or actuating force of an output member by means of differential connection of the servomotor lines, e.g. regenerative circuits
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00Details of servomotor systems ; Valves for servomotor systems
    • F15B13/01Locking-valves or other detent i.e. load-holding devices
    • F15B13/015Locking-valves or other detent i.e. load-holding devices using an enclosed pilot flow valve
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B21/00Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
    • F15B21/14Energy-recuperation means
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/60Circuit components or control therefor
    • F15B2211/605Load sensing circuits
    • F15B2211/6051Load sensing circuits having valve means between output member and the load sensing circuit
    • F15B2211/6052Load sensing circuits having valve means between output member and the load sensing circuit using check valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/80Other types of control related to particular problems or conditions
    • F15B2211/88Control measures for saving energy

Abstract

A hydraulic valve device includes a first and a second engine port to a double acting hydraulic motor, a pump, a hand valve which has two open positions, wherein in the first open position the pump is fluidly connected to the first engine port and the tank is fluidly connected to the second engine port; and wherein in the second open position the pump is fluidly connected to the second engine port and the tank is fluidly connected to the first engine port, with a first nonreturn valve, arranged between the pump and second engine port. A piston which by way of the load pressure in the first engine port via a line governs the first nonreturn valve, and a second nonreturn valve arranged, as long as the hand valve is in its first open position, to connect the first engine port to the second engine port.

Claims (9)

1. Гидроклапанное устройство, содержащее:1. A hydraulic valve device comprising: первое отверстие (L) двигателя и второе отверстие (N) двигателя в гидравлическом двигателе двустороннего действия (D), в частности гидравлическом цилиндре двустороннего действия,a first engine hole (L) and a second engine hole (N) in a double-acting hydraulic motor (D), in particular a double-acting hydraulic cylinder, емкость (T) и насос (I),tank (T) and pump (I), ручной клапан (H), который установлен таким образом, что он соединяет отверстия (L, N) двигателя с емкостью (T) и насосом (I), причем ручной клапан (H) имеет два открытых положения, где насос (I) в первом открытом положении посредством трубопровода (F) соединен с первым отверстием (L) двигателя, а емкость (T) посредством трубопровода (G) соединена со вторым отверстием (N) двигателя, и где насос (I) во втором открытом положении посредством трубопровода (G) соединен со вторым отверстием (N) двигателя, а емкость (T) посредством трубопровода (F) соединена с первым отверстием (L) двигателя, иa manual valve (H), which is installed in such a way that it connects the holes (L, N) of the engine with a tank (T) and a pump (I), and the manual valve (H) has two open positions, where the pump (I) is in the first open position through a pipe (F) is connected to the first hole (L) of the engine, and a container (T) by a pipe (G) is connected to the second hole (N) of the engine, and where the pump (I) is in the second open position by pipe (G) connected to the second hole (N) of the engine, and the tank (T) by means of a pipe (F) connected to the first from ERSTU (L) of the engine, and первый невозвратный клапан (1A, 8), который установлен между насосом (I) и вторым отверстием (N) двигателя и открывается в сторону второго отверстия (N) двигателя, отличающееся тем, что содержитthe first non-return valve (1A, 8), which is installed between the pump (I) and the second hole (N) of the engine and opens towards the second hole (N) of the engine, characterized in that it contains поршень (2), который посредством давления нагрузки в первом отверстии (L) двигателя с помощью трубопровода (E) управляет первым невозвратным клапаном (1A, 8) таким образом, что тот остается закрытым до тех пор, пока давление насоса не превысит указанное давление нагрузки, иa piston (2) which, by means of the load pressure in the first engine bore (L) through the pipe (E), controls the first non-return valve (1A, 8) so that it remains closed until the pump pressure exceeds the specified load pressure , and второй невозвратный клапан (3), который расположен таким образом, что до тех пор, пока ручной клапан (H) находится в своем первом открытом положении, он соединяет первое отверстие (L) двигателя со вторым отверстием (N) двигателя и открывается по направлению ко второму отверстию (N) двигателя.a second non-return valve (3), which is positioned so that as long as the manual valve (H) is in its first open position, it connects the first hole (L) of the engine to the second hole (N) of the engine and opens towards the second hole (N) of the engine. 2. Клапанное устройство по п.1, отличающееся тем, что клапан (4) обратного давления установлен на трубопроводе (K) в сторону емкости (T) для создания определенного сопротивления в трубопроводе (K) в сторону емкости (T).2. The valve device according to claim 1, characterized in that the back pressure valve (4) is installed on the pipeline (K) towards the container (T) to create a certain resistance in the pipeline (K) towards the container (T). 3. Клапанное устройство по п.2, отличающееся тем, что первый невозвратный клапан (1A) установлен между насосом (I) и ручным клапаном (H) и открывается в сторону ручного клапана (H).3. The valve device according to claim 2, characterized in that the first non-return valve (1A) is installed between the pump (I) and the manual valve (H) and opens towards the manual valve (H). 4. Клапанное устройство по п.3, отличающееся тем, что ручной клапан (H) имеет открытый центр, который открывается в сторону трубопровода (K) к емкости (T), где подача насоса, когда ручной клапан находится в нейтральном положении, направлена посредством трубопровода (K) в емкость (T).4. The valve device according to claim 3, characterized in that the manual valve (H) has an open center that opens towards the pipeline (K) to the tank (T), where the pump flow, when the manual valve is in the neutral position, is directed by piping (K) to tank (T). 5. Клапанное устройство по п.4, отличающееся тем, что второй невозвратный клапан (3) установлен таким образом, что он соединяет трубопровод (K) с трубопроводом (G) и открывается в сторону трубопровода (G), причем гидравлическая жидкость из второго отверстия (N) двигателя в первом открытом положении ручного клапана (H) направляется через ручной клапан в трубопровод (K).5. The valve device according to claim 4, characterized in that the second non-return valve (3) is installed so that it connects the pipeline (K) to the pipeline (G) and opens towards the pipeline (G), and the hydraulic fluid from the second hole (N) of the engine in the first open position of the manual valve (H) is guided through the manual valve into the pipe (K). 6. Клапанное устройство по п.5, отличающееся тем, что содержит6. The valve device according to claim 5, characterized in that it contains третий невозвратный клапан (5), который соединяет трубопровод (K) с трубопроводом (F) и открывается в сторону трубопровода (F),a third non-return valve (5) that connects the pipe (K) to the pipe (F) and opens towards the pipe (F), понижающий давление клапан (6), который открывается из трубопровода (J) в сторону трубопровода (K), когда давление в трубопроводе (K) емкости ниже определенного давления, которое ниже, чем давление, требуемое для открытия клапана (4) обратного давления,a pressure-reducing valve (6) that opens from the pipeline (J) towards the pipeline (K) when the pressure in the tank pipe (K) is lower than a certain pressure, which is lower than the pressure required to open the back pressure valve (4), реверсивный клапан (7), который передает наивысшее давление отверстия цилиндра на поршень (2) невозвратного клапана (1A) таким образом, что невозвратный клапан (1A) остается закрытым до тех пор, пока давление насоса не превышает указанное наивысшее давление отверстия цилиндра.a reversing valve (7) that transfers the highest cylinder bore pressure to the piston (2) of the non-return valve (1A) so that the non-return valve (1A) remains closed until the pump pressure exceeds the indicated highest cylinder bore pressure. 7. Клапанное устройство по п.1 или 2, отличающееся тем, что первый невозвратный клапан (8) установлен на трубопроводе (G) между ручным клапаном (H) и вторым отверстием (N) двигателя и открывается в сторону второго отверстия (N) двигателя, а невозвратный клапан (9), который является встречным к первому невозвратному клапану (8), установлен на том же самом трубопроводе (G).7. The valve device according to claim 1 or 2, characterized in that the first non-return valve (8) is installed on the pipeline (G) between the manual valve (H) and the second hole (N) of the engine and opens towards the second hole (N) of the engine and the non-return valve (9), which is opposed to the first non-return valve (8), is installed on the same pipe (G). 8. Клапанное устройство по п.7, отличающееся тем, что содержит8. The valve device according to claim 7, characterized in that it contains третий невозвратный клапан (5), который соединяет трубопровод (K) с трубопроводом (F) и открывается в сторону трубопровода (F),a third non-return valve (5) that connects the pipe (K) to the pipe (F) and opens towards the pipe (F), четвертый невозвратный клапан (11), который установлен на трубопроводе (F) между ручным клапаном (H) и первым отверстием (L) двигателя и открывается в сторону первого отверстия (L) двигателя, при этом невозвратный клапан (12), который является встречным к четвертому невозвратному клапану (11), установлен на том же самом трубопроводе (F), иthe fourth non-return valve (11), which is installed on the pipeline (F) between the manual valve (H) and the first engine hole (L) and opens towards the first engine hole (L), while the non-return valve (12), which is opposite to a fourth non-return valve (11) installed on the same pipe (F), and второй поршень (10), который посредством трубопровода (Z) под воздействием давления нагрузки во втором отверстии (N) двигателя управляет четвертым невозвратным клапаном (11) таким образом, чтобы держать его закрытым до тех пор, пока давление насоса не превышает указанное давление нагрузки.the second piston (10), which, through the pipeline (Z), controls the fourth non-return valve (11) under the influence of the load pressure in the second hole (N) of the engine so as to keep it closed until the pump pressure exceeds the specified load pressure. 9. Клапанное устройство по п.8, отличающееся тем, что содержит9. The valve device of claim 8, characterized in that it contains пятый невозвратный клапан (1), размещенный между насосом (I) и ручным клапаном (H), который открывается в сторону ручного клапана (H), для предотвращения противотока к подаче насоса. a fifth non-return valve (1) located between the pump (I) and the manual valve (H), which opens toward the manual valve (H), to prevent backflow to the pump.
RU2009145944/03A 2007-05-11 2008-05-12 Hydraulic valve device RU2459043C2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE0701142-2 2007-05-11
SE0701142A SE531754C2 (en) 2007-05-11 2007-05-11 Hydraulic load control valve device

Publications (2)

Publication Number Publication Date
RU2009145944A true RU2009145944A (en) 2011-06-20
RU2459043C2 RU2459043C2 (en) 2012-08-20

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ID=40075363

Family Applications (2)

Application Number Title Priority Date Filing Date
RU2009145944/03A RU2459043C2 (en) 2007-05-11 2008-05-12 Hydraulic valve device
RU2009145943/03A RU2459044C2 (en) 2007-05-11 2008-05-12 Load control hydraulic valve device

Family Applications After (1)

Application Number Title Priority Date Filing Date
RU2009145943/03A RU2459044C2 (en) 2007-05-11 2008-05-12 Load control hydraulic valve device

Country Status (11)

Country Link
US (3) US8800426B2 (en)
EP (2) EP2265773B1 (en)
KR (2) KR101592453B1 (en)
CN (2) CN101680207B (en)
AT (1) ATE538258T1 (en)
BR (2) BRPI0811147B1 (en)
CA (2) CA2686775C (en)
DK (1) DK2265774T3 (en)
RU (2) RU2459043C2 (en)
SE (1) SE531754C2 (en)
WO (2) WO2009020421A1 (en)

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CA2686808A1 (en) 2009-02-12
EP2265773A4 (en) 2010-12-29
RU2459043C2 (en) 2012-08-20
ATE538258T1 (en) 2012-01-15
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CA2686775A1 (en) 2008-12-04
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EP2265773A1 (en) 2010-12-29
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KR20100016317A (en) 2010-02-12

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